.wrapper {
	position: relative;
	width: 85vw;
	height: 70vh;
	overflow: hidden;
}

.page {
	position: absolute;
	width: 100%;
	height: 100%;
	touch-action: none; // 禁止移动端的默认 touch 处理
}

.page > div {
	touch-action: none; // 禁止移动端的默认 touch 处理
	background-size: cover;
	background-repeat: no-repeat;
	background-position: center center;
	width: 100%;
	height: 100%;
	box-shadow: 0 0 50px #000;
}
